/Engine/Source/Runtime/Engine/Classes/Materials/Material.h
Gathers a list of shader types sorted by vertex factory types that should be cached for this material. Avoids doing expensive material and shader compilation to acquire this information.
virtual void GetShaderTypes ( EShaderPlatform Platform, const [ITargetPlatform](API\Developer\TargetPlatform\Interfaces\ITargetPlatform) * TargetPlatform, [TArray](API\Runtime\Core\Containers\TArray)< [FDebugShaderTypeInfo](API\Runtime\Engine\FDebugShaderTypeInfo) > & OutShaderInfo )